Re: Server push
From: Michele (michele_betti_at_telespazio.it)
Date: 10/29/03
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Date: 29 Oct 2003 01:42:50 -0800
well, firewalls or proxies are not an issue here, since the I'm
working within my company Intranet, so I should have any port
available.
On the other hand, I admit my ignorance about browser timeout. I
didn't know about this other aspect. What's the default value? and (of
course) is there any way to change it? After all, this timeout could
affect my "hidden" refresh as well if I set my refresh rate too large,
coudn't it?
Michelle
Kevin Thorpe <kevin@pricetrak.com> wrote in message news:<3f9e8ec7$0$23331$afc38c87@news.easynet.co.uk>...
>
> I've looked into this extensively as I really could do with something of
> the sort. My findings were:
>
> 1. server push is exactly what the doctor ordered but Netscape
> (Mozilla?) only.
>
> 2. you can arrange polling through some combination of meta-refresh or
> javascript. This can leave the main displayed page unaffected with
> iframes or a frameset. I often do this by creating a frameset with a
> 'connection bar' across the bottom of the document. This is refreshed
> periodically and any delivered instance may contain javascript to modify
> or reload the main page. As you say though, the timing of this is an
> issue. I sometimes have to defer links and submits through a reload of
> the connection bar to ensure that the requested action is still valid.
>
> 3. if you really want to reproduce server push you will need an activex
> or java applet which leaves open a socket to your server. However quite
> a lot of firewalls and proxies will stamp all over this and time the
> connection out.
>
> If anyone has any better ideas then I am all ears
>
> Kevin Thorpe
> Head of IT
> Purchasing Index (UK) Ltd
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